Granite is a felsic or acidic rock. A vesicle is a cavity formed by expanding gas during the cooling of an extrusive igneous rock. A good example of vesicles are those found in pumice. If a vesicle is filled in by a secondary mineral it is described as an amygdale.
InformAfrica â Kisii County is a district in the Nyanza Province of southwestern Kenya, and is mostly inhabited by the Gusii tribe or Kisii people. Kisii is the capital town of Kisii county. As of 2010, Kisii county has 7 constituencies which are: Bobasi, Bonchari, Bomachoge, Kitutu Chache, Nyaribari Chache, Nyaribari Masaba, and South Mugirango.
Nairobi is the capital city of Kenya and still the largest city. Nairobi and its surrounding area also forms the Nairobi County. The name âNairobiâ comes from theMaasai phrase Enkare Nyirobi, which translates to âthe place of cool watersâ.Nairobi is the most populous city in East Africa, with a current estimated population of about 3 million.According to the 2009 Census.airobi and its surrounding area also forms the Nairobi County. The name âNairobiâ comes from theMaasai phrase Enkare Nyirobi, which translates to âthe place of cool watersâ. Nairobi is the most populous city in East Africa, with a current estimated population of about 3 million. According to the 2009 Census.